"yab-" meaning in Proto-Turkic

{
  "descendants": [
    {
      "depth": 1,
      "templates": [],
      "text": "Karluk:"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "chg",
            "2": "",
            "t": "enemy",
            "tr": "yav"
          },
          "expansion": "Chagatai: [script needed] (yav, “enemy”)",
          "name": "desc"
        }
      ],
      "text": "Chagatai: [script needed] (yav, “enemy”)"
    }
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "trk-pro",
        "2": "verb"
      },
      "expansion": "*yab-",
      "name": "head"
    }
  ],
  "lang": "Proto-Turkic",
  "lang_code": "trk-pro",
  "original_title": "Reconstruction:Proto-Turkic/yab-",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Proto-Turkic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "roman": "jap̬ăh",
          "sense": "*yab-lak (“bad”)",
          "word": ">? Chuvash: япӑх"
        },
        {
          "english": "to make mistake",
          "sense": "*yab-ïŕ (“bad”)",
          "word": "yabïr-a-l-"
        },
        {
          "roman": "çabal",
          "sense": "*yab-al",
          "word": "чабал"
        },
        {
          "roman": "çabıl",
          "sense": "*yab-al",
          "word": "чабыл"
        },
        {
          "english": "bad, wicked; sickness",
          "word": "yab-man"
        },
        {
          "word": "yab-ïnč"
        },
        {
          "english": "newborn child or animal; child",
          "word": "yabrï-g"
        },
        {
          "alt": "?",
          "english": "to be ashamed, embarrassed",
          "word": "ya-čan-"
        },
        {
          "english": "unpleasant",
          "word": "yab-gan"
        }
      ],
      "glosses": [
        "unattested verb, the meaning is probably about negative things."
      ],
      "id": "en-yab--trk-pro-verb-xEA45DXv",
      "tags": [
        "intransitive",
        "reconstruction"
      ]
    }
  ],
  "word": "yab-"
}

{
  "derived": [
    {
      "roman": "jap̬ăh",
      "sense": "*yab-lak (“bad”)",
      "word": ">? Chuvash: япӑх"
    },
    {
      "english": "to make mistake",
      "sense": "*yab-ïŕ (“bad”)",
      "word": "yabïr-a-l-"
    },
    {
      "roman": "çabal",
      "sense": "*yab-al",
      "word": "чабал"
    },
    {
      "roman": "çabıl",
      "sense": "*yab-al",
      "word": "чабыл"
    },
    {
      "english": "bad, wicked; sickness",
      "word": "yab-man"
    },
    {
      "word": "yab-ïnč"
    },
    {
      "english": "newborn child or animal; child",
      "word": "yabrï-g"
    },
    {
      "alt": "?",
      "english": "to be ashamed, embarrassed",
      "word": "ya-čan-"
    },
    {
      "english": "unpleasant",
      "word": "yab-gan"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [],
      "text": "Karluk:"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "chg",
            "2": "",
            "t": "enemy",
            "tr": "yav"
          },
          "expansion": "Chagatai: [script needed] (yav, “enemy”)",
          "name": "desc"
        }
      ],
      "text": "Chagatai: [script needed] (yav, “enemy”)"
    }
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "trk-pro",
        "2": "verb"
      },
      "expansion": "*yab-",
      "name": "head"
    }
  ],
  "lang": "Proto-Turkic",
  "lang_code": "trk-pro",
  "original_title": "Reconstruction:Proto-Turkic/yab-",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Proto-Turkic entries with incorrect language header",
        "Proto-Turkic intransitive verbs",
        "Proto-Turkic lemmas",
        "Proto-Turkic verbs"
      ],
      "glosses": [
        "unattested verb, the meaning is probably about negative things."
      ],
      "tags": [
        "intransitive",
        "reconstruction"
      ]
    }
  ],
  "word": "yab-"
}